What Important Criterion Was Used in the Late 1960s to Distinguish

question 27

Multiple Choice

What important criterion was used in the late 1960s to distinguish between the three multicellular eukaryotic kingdoms of the five-kingdom classification system?

• A) the number of cells present in individual organisms
• B) the geological stratum in which fossils first appear
• C) the nutritional modes they employ
• D) the biogeographic province where each first appears
• E) the features of their embryos

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Definitions:

Error Term

The part of an observation in regression analysis that the model does not explain, often considered as random noise.

Expected Value

The predicted average of a random variable, calculated by multiplying each possible outcome by its probability and summing the results.

Random Variable

A variable whose possible values are numerical outcomes of a random phenomenon.

Regression Equation

A formula derived from regression analysis that predicts the dependent variable based on the values of one or more independent variables.